Home / 217,453.08-299,957.82-136,752.60

Finding the Fourth Proportional to 217,453.08, 299,957.82 and 136,752.60

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Solution

The fourth proportional to 217,453.08, 299,957.82 and 136,752.60 is: 188,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,453.08 : 299,957.82 = 136,752.60 : x
  2. Step 2: Convert to fraction form
    217,453.08/299,957.82 = 136,752.60/x
  3. Step 3: Cross multiply
    217,453.08x = 299,957.82 × 136,752.60
  4. Step 4: Simplify right side
    217,453.08x = 41,020,011,775.33
  5. Step 5: Solve for x
    x = 41,020,011,775.33/217,453.08
  6. Step 6: Final answer
    x = 188,638.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.